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Maas ClinicTM Staff - San Francisco & Tahoe / Truckee


Tina joined The Maas ClinicTM as our Practice Manager offering over 10 years of management experience. After attending Hunter College in New York City she began her career in the health and fitness industry in New York. Her love of beauty, skin care and her passion for helping others feel good about themselves, eventually lead her to manage a successful 5th avenue Medspa and Surgical Center. As part of The Maas ClinicTM she is dedicated to providing patients a great experience with knowledgeable staff. When she is not at work she loves traveling and exploring her new home state of California.


Our Nurse Practitioner Danielle Bautista, has been with The Maas ClinicTM and the Appearance Care CenterTM since 2016. She completed her undergraduate work at the University of California at Irvine, and received her Master’s in Nursing at the University of California, San Francisco. She specializes in Iaser and light treatments to correct and maintain the skin. She is passionate about helping patients realize their best self. In her free time, Danielle enjoys international travel, running, opera and ballet.


Carolyn is a Registered Nurse and Aesthetic Specialist. She came to the Maas ClinicTM with 25 years of nursing experience, primarily stemming from Critical Care and Cardiac Rehabilitation. Carolyn further expanded her skill set to include more “alternative” forms of healing, including biofeedback and Reike. She seamlessly incorporated Aesthetic Medicine into her areas of expertise and enjoys the ongoing relationships that Aesthetic Medicine cultivates. When Carolyn is not practicing the art of healing, she can be seen practicing the art of golf.


Following a research internship at Zuckerberg General Hospital, Raquel came to The Maas ClinicTM with a passion for helping people. She gains her happiness from working with our vibrant staff and delightful patients. Raquel looks up to Dr. Maas’s brilliance. She plans on applying to either medical, or physician assistant school upon finishing her bachelor’s degree. She is always looking forward to the future and smiling through the present.


Teresa has over a decade of patient care experience in Dermatology, Head and Neck Surgery and Plastics, and enjoys working with patients and helping them to maintain and achieve their aesthetic goals. She has degrees in Global Health and History from ASU, and is a certified clinical research professional with the Society of Clinical Research Associates. Along with Aesthetic Medicine, Teresa is also passionate about providing improved medical care for preventable diseases in underrepresented communities, and has done medical volunteering locally and abroad. She splits her time working in clinical research at UCSF and at The Maas ClinicTM and Appearance Care CenterTM, where she enjoys providing non- invasive aesthetic treatments, providing pre- and post-operative care, and assisting in clinical trials. When Teresa is not working, she enjoys playing classical piano, traveling, volunteering and visiting with friends and family.


Kristin came to The Maas ClinicTM  with over eleven years of marketing and sales management in the pharmaceutical industry. She excelled in her field with consistent exposure to the medical community by working closely with physicians, medical directors and hospital administrators, making her a valuable business consultant. As the Director of Community Outreach for the past sixteen years she most enjoys helping The Maas ClinicTM  and The Appearance Care Center give back to the community through generous donations to non-profit and other charitable organizations. When she is not at The Maas ClinicTM , she is likely with her family, volunteering at her son’s schools or engaged in an outdoor activity amid the beautiful surroundings in Marin county.


Our Aesthetic Registered Nurse Samantha has been with The Maas ClinicTM and the Appearance Care CenterTM since 2019. She completed her undergraduate work at the University of California at Davis and received her bachelor’s degree in Nursing at the California State University, San Marcos. With several years of nursing experience specializing in Maternal and Newborn Health, Samantha made the transition into Aesthetic Medicine. She enjoys educating patients about skin rejuvenation and aesthetic treatments using the most advanced technology. More importantly, Samantha is passionate about empowering patients to look and feel their best. She enjoys helping patients to achieve their aesthetic goals and feel confident in their overall appearance. In her free time, she enjoys doing yoga, pilates, and spending time with her family and friends.


Jacqueline joins The Maas ClinicTM with over 20 years of nursing experience. Originally from Canada, she traveled and worked abroad, ultimately landing in San Francisco. After many years working with plastic surgery patients, she is now focused on helping patients thru the surgical process, as well as performing aesthetic procedures to help them maintain optimal results. In her spare time, she enjoys the benefits of meditation, exercise, and seeing family and friends.

Isballa (Bella)

After graduating from the University of San Francisco with a B.S. in Biology, Isabella joined The Maas ClinicTM as the Lead Clinical Research Coordinator. She brought the attributes that she developed and strengthened from working for four years at UCSF and USF research and sample processing laboratories. She focuses the majority of her time managing and developing the multiphase clinical research trials, conducting subject visits, and assisting Dr. Maas and Sub-PI in clinical procedures. In addition, she has been trained as a medical assistant in The Maas ClinicTM and Appearance Care Center. When she isn’t working, she is either studying or spending quality time with her family and dog.

Kathryn (Katy)

Our medical assistant Katy started working at the Maas ClinicTM in August 2020. She graduated from the University of California, Berkeley in May 2019 with a Bachelor’s in molecular environmental biology. She comes from a background in pediatrics, general surgery, and dermatology, and is working hard to reach her goals of becoming a physician assistant. In her free time, Katy enjoys volunteering in health centers in San Francisco and Oakland as well as exploring the Bay Area, doing yoga, and spending time with her friends.


Ella is a native Californian who joined the healthcare industry as a certified medical assistant in 2017. After growing up in Santa Barbara and receiving a B.A. from UC Davis, she attained her CMA license from San Francisco State University and got right to work taking care of patients. Using her years of experience, she works closely with each patient from initial consultation to post-procedure care. Ella is honored and proud to be a part of our patients’ journeys toward looking and feeling better about themselves. When not at the clinic, Ella can usually be found outdoors, whether playing tennis, snowboarding, at the beach, or at the dog park with her puppy.


Cassidy joined The Maas ClinicTM in 2020 after graduating from San Francisco State University with a B.A. in Communication. She has since gone back to school to pursue nursing and hopes to apply to nursing school in the near future. As our front office coordinator, she is committed to providing our patients with exceptional service, experiences, and results. Outside of work she enjoys spending time with friends & family, hiking, reading, and traveling. 


Mary joined the Maas ClinicTM as the Director of the Appearance Care Center in 2021. She is a licensed esthetician with an extensive background in Aesthetics and Spa Management.  She is passionate about helping people look their best to better their quality of life and strives to provide the ultimate client experience at the Spa. In her free time, she is an avid reader, enjoys cooking, painting and spending time exploring San Francisco with friends, family and her dog, Abby.


John is the videographer for The Maas ClinicTM and The Appearance Care Center. He enjoys working closely with the staff, who are very friendly, and also filming the nurses treating patients and Dr. Mass performing cosmetic procedures and surgeries, something he would not be able to witness in person normally. He feels he has a unique position and producing videos for the clinics allows him to continue to grow in his profession as a film production. In his free time, John enjoys hiking, going to the gym, listening to audiobooks and working with nonprofits on causes he is passionate about.

Courtney, RN, BSN

Courtney has a robust background and experience in aesthetic nursing. Beginning her career with a degree from UC Santa Barbara in Business Economics and starting her own business, she soon learned that her love and passions lie in helping people and hands-on interventions that change peoples’ lives. She went back to school to earn her BS in Nursing and graduated at top of her class.  From there she worked at a plastic surgery office in aesthetics where she spent the last decade acquiring her expertise in injectables and non-surgical procedures. She devotedly brings all of these skills and passions to her patients at The Maas ClinicTM. When she is not at the Maas Clinic, Courtney enjoys spending quality time with her children, exploring the outdoors, and being grateful for the simple treasure’s life has to offer. 

It is never too late, To be what you might have been.- George Eliot